Within 30 days of purchase:

We will issue a refund, excluding any shipping and handling fees, for all unused, undamaged and/or defective products returned within 30 days of purchase. All products must be returned in its original packaging and with all accessories to ensure a full credit.

I bought size XL, once the shirt is on, it fits very nicely. . . the "trick" is getting it on, it is a pull over shirt and since there is no "give" in the fabric such as a t-shirt or polo it is a tad bit difficult to get on and to take off. I am 6'-1", 220lb with a 16 1/2" neck. I plan to loose a few lb's before the wedding so that will add a touch more room. It is very clean and attractive. The embroidery is simple and tasteful. I bought the shirt for my destination wedding in the Caribbean.